logothete: Gravity Probe B
NASA's Marshall Space Flight Center: Space Shuttle Endeavour Over Earth (NASA, International Space Station Science, 02/09/10)
Internet Archive Book Images: Image from page 91 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 189 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 194 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 192 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 191 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 193 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 204 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 262 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 296 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 294 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 330 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 371 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 379 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 404 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 409 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 408 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Internet Archive Book Images: Image from page 416 of "Elementary text-book of zoology, tr. and ed. by Adam Sedgwick, with the assistance of F. G. Heathcote" (1892-1893)
Alan Mays: Two-Arm Semaphore Pocket Signal Disk
dalbera: "Trente-cinq têtes d'expression" de L. L. Boilly (musée Marmottan Monet, Paris)
New York Public Library: On Hallowe'en.
Hemeroteca Municipal de Lisboa (Portugal): Publicidade antiga | vintage advertising | Portugal 1920s
NASA Johnson: Spacewalker Woody Hoburg takes an out-of-this-world "space-selfie"
The British Library: British Library digitised image from page 388 of "Life & Finding of Dr. Livingstone. Containing the original letters written by H. M. Stanley"
broox: Cleo's Apartment
NASA's Marshall Space Flight Center: The Waxing Gibbous Moon above the Indian Ocean
NASA Johnson: Artemis I Flight Day 13: Orion, Earth, and Moon
Jerlene Ng: light and colour
europeanspaceagency: Webb reaches alignment milestone: image of focused star